DNA led police to Mary Snyder Crumlich in the 40-year cold case of "Baby Mary," an infant left to die in the cold on Christmas Eve, 1984. Crumlich was sentenced to a year in jail.
Skeletal remains found at a Springfield, Illinois, home have been identified as those of Michelle Renee "Shelly" Bianco, a local who disappeared in 2008.
A body that washed up on Lake Ontario's shoreline in 1992 has been identified as that of Vincent Stack, who is believed to have died two years earlier while going over Niagara Falls.
Beverly McCallum, 63, has been convicted of second-degree murder in the 2002 death of Roberto Caraballo, who was found beaten and suffocated in the basement of his Charlotte home.
Criminal profiling is an investigative technique used by law enforcement to identify offenders based on distinct behavioral characteristics and motives.